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boundary fill algorithmboundary fill algorithm is suitable when the boundary has single color while flood fill algorithm is more suitable for filling
approaches to area filling some other approaches to area filling are scan line polygon fill algorithm boundary fill algorithm flood fill
seed fill algorithma seed fill algorithm starts with a known initial interior point of the polygon and spreads out to determine other interior points
scan line algorithma scan line algorithm determines the overlap intervals of the polygon with each scan line to obtain interior points of the polygon
algorithms for filled-area primitivesthese algorithms are classified into two categoriesi scan line algorithmsii seed fill
reflection and shearthere are a few important transformations which are not primitive in the sense that they can be expressed as compositions of
translate a triangle and scale it in each coordinate directionconsider a triangle with vertices in 2d plane given by 0 0 1 0 and 01 called unit
two-dimensional geometric transformations when a real life object is modelled using shape primitives there are several possible applications
character generationyou know that graphics displays often contain components which are text based for example graph labels annotations
boundary-fill algorithm or flood-fill algorithm as you saw the implementation of scan line polygon fill requires that boundaries should be straight
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area filling algorithmsbefore we go ahead with area filling algorithms a word about pixel addressing and object geometry you know that line segments
filled-area primitives filled-area primitives are one of the most important types of primitives used in computer graphics basically
output primitives and geometric transformationsyou learnt how some basic geometric objects such as line segments circles ellipses and other curves
can you describe transport and tunnel mode in detail with datagram
write a c code for generating concentric circles put the circle function circlemidpointin a for loop as followsfor int radius minradius
draw the letters s p r or u of english alphabet using multiple beacutezier curves a complete code for plotting bezier curves is given previously
draw a long line segment using i dda line drawing algorithm ii bresenham line drawing algorithm iii opengl function using gllines observe if dda
other curves - parabola and hyperbolaconic sections such as parabola and hyperbola are used in many instances such as in motion planning along a
ellipse generating algorithm algorithm is similar to circle algorithm we divide the ellipse on the positive quadrant into two regions region 1 where
midpoint circle generation algorithmthis makes use of a circle function based on this circle function a decision parameter is created which is used
algorithms for basic line segment plottingthere are two important algorithms for basic line segment plotting-dda algorithm and bresenham
scan conversion for display of a continuously defined object a method to map a continuous abstract object or shape into a discrete plane of computer
functioning of hardcopy devices and output primitives1 functioning of hardcopy devices-laser printers and dot matrix printers plotters 2